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An approach to identify microbiome biomarker for time to event data by discovering microbiome for predicting survival and classifying subjects into risk groups. Classifiers are constructed as a linear combination of important microbiome and treatment effects if necessary. Several methods were implemented to estimate the microbiome risk score such as the LASSO method by Robert Tibshirani (1998) <doi:10.1002/(SICI)1097-0258(19970228)16:4%3C385::AID-SIM380%3E3.0.CO;2-3>, Elastic net approach by Hui Zou and Trevor Hastie (2005) <doi:10.1111/j.1467-9868.2005.00503.x>, supervised principle component analysis of Wold Svante et al. (1987) <doi:10.1016/0169-7439(87)80084-9>, and supervised partial least squares analysis by Inge S. Helland <https://www.jstor.org/stable/4616159>. Sensitivity analysis on the quantile used for the classification can also be accessed to check the deviation of the classification group based on the quantile specified. Large scale cross validation can be performed in order to investigate the mostly selected microbiome and for internal validation. During the evaluation process, validation is accessed using the hazard ratios (HR) distribution of the test set and inference is mainly based on resampling and permutations technique.
Version: | 0.1.0 |
Depends: | R (≥ 2.10) |
Imports: | graphics, stats, ggplot2, survival, survminer, glmnet, methods, superpc, lmtest, gplots, tidyr, dplyr, microbiome, pls, grDevices |
Suggests: | knitr, rmarkdown |
Published: | 2023-10-12 |
DOI: | 10.32614/CRAN.package.MicrobiomeSurv |
Author: | Thi Huyen Nguyen [aut, cre], Olajumoke Evangelina Owokotomo [aut], Ziv Shkedy [aut] |
Maintainer: | Thi Huyen Nguyen <thihuyen.nguyen at uhasselt.be> |
BugReports: | https://github.com/N-T-Huyen/MicrobiomeSurv/issues/new |
License: | GPL-3 |
URL: | https://github.com/N-T-Huyen/MicrobiomeSurv |
NeedsCompilation: | no |
CRAN checks: | MicrobiomeSurv results |
Reference manual: | MicrobiomeSurv.pdf |
Vignettes: |
Introduction to MicrobiomeSurv |
Package source: | MicrobiomeSurv_0.1.0.tar.gz |
Windows binaries: | r-devel: MicrobiomeSurv_0.1.0.zip, r-release: MicrobiomeSurv_0.1.0.zip, r-oldrel: MicrobiomeSurv_0.1.0.zip |
macOS binaries: | r-release (arm64): MicrobiomeSurv_0.1.0.tgz, r-oldrel (arm64): not available, r-release (x86_64): MicrobiomeSurv_0.1.0.tgz, r-oldrel (x86_64): not available |
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These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.